--- a/Makefile
+++ b/Makefile
@@ -689,7 +689,8 @@ SHLIBFLAGS = -Lshared -lwrap
 shared/%.o: %.c
 	$(CC) $(CFLAGS) $(SHCFLAGS) -c $< -o $@
 
-CFLAGS	= -O2 -g -DFACILITY=$(FACILITY) $(ACCESS) $(PARANOID) $(NETGROUP) \
+OPT_CFLAGS = -O2 -g
+CFLAGS	= $(OPT_CFLAGS) -DFACILITY=$(FACILITY) $(ACCESS) $(PARANOID) $(NETGROUP) \
 	$(BUGS) $(SYSTYPE) $(AUTH) $(UMASK) \
 	-DREAL_DAEMON_DIR=\"$(REAL_DAEMON_DIR)\" $(STYLE) $(KILL_OPT) \
 	-DSEVERITY=$(SEVERITY) -DRFC931_TIMEOUT=$(RFC931_TIMEOUT) \
